Roush Fire 50" - The Roush Fire board, a round-pin outline works together with Roush's unique and mind blowing bottom shape. The rocker is finely tuned "traditional" curve with a subtle tail kick and a concave located between your feet. The slight concave adds lift and extended glide. The molded in "grab rails" make holding on a sure thing and add stiffness to the 5/8" thick board. Construction : Epoxy, PVC Foam Core, PVC Sidewall, Sublimated Graphic, Grab Rail, Round Pin. Uses proven and durable high-end thermal pneumatic construction with PBT topsheet.